Patent US2848249A successfully refreshed from Google Patents.
US2848249A
Expired / Lapsed
US
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Air suspension levelling system
Assignee: Motors Liquidation Co
•
Filing: 1956-08-24
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Granted: 1958-08-19
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Expires: 1976-08-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Bertsch
- 👤 Kai H Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:48
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/10; B60G17/00; B60G17/02; B60G17/04; B60G17/052; Y; Y10; Y10S; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1464680A
Cited
US2674092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |